StreamClass.withIndex - lib/stream/stream.ts

method StreamClass.withIndex

Private



StreamClass.withIndex<S>(source: Source<S>,
offset?: number
): StreamClass<readonly [Exclude<S, AnyFailure>, number],
Extract<S, AnyFailure>
>

StreamClass#withIndex as a static: Stream.withIndex(source, …) is Stream.from(source).withIndex(…).

await Stream.withIndex(['a', 'b']).collect(); // [['a', 0], ['b', 1]]

Type Parameters



source: Source<S>

optional



offset: number = 0

StreamClass<readonly [Exclude<S, AnyFailure>, number],
Extract<S, AnyFailure>
>